1, preservation methods: fresh flying crabs, you can bundle its feet and pincers, put it into the refrigerator and cover it with a wet towel; you can also put the flying crabs into a bucket or basin, pay attention to do not stacked, the water can not not be more than the crab. Processed flying crabs should be eaten in time, not overnight. 2, culture management techniques: strengthen water quality management, change water every 2-3 days in July, every 1-2 days in August-September, every 4-5 days in October. Feed 1 time in the morning and 1 time in the evening, less feeding in the morning, more feeding in the evening, you can feed fresh low-priced fish, shrimp, shellfish, crabs and so on. Strengthen the patrol pool management, pay attention to the changes in the pool water, timely adjustment of the amount of input.
I. Flying crab preservation methods
1, fresh flying crab, can be tied up its feet, pincers, and then put into the refrigerator, and covered with a wet towel.
2, fresh flying crabs can be placed in a bucket filled with water, pay attention not to stack the crabs, and the water should not be over the crab.
3. For cooked flying crabs, it is recommended to eat them on the same day, not overnight.
Second, flying crab culture daily management techniques
1, water quality management
Flying crab culture, July every 2-3 days to replace the water; August-September every 1-2 days to replace the water; October every 4-5 days to replace the water, the specific amount of water and the interval between water changes can be adjusted according to the weather, water temperature and other factors.
2, feeding
Flying crabs are omnivorous shellfish and can be fed with fresh low-priced fish, shrimp, shellfish and crabs. The daily feeding amount varies according to the size of the crabs, the pre-breeding period can be fed about 8% of the overall weight of the crabs, about 12% in the middle of the feeding, about 5% in the late feeding, when the water temperature drops to 10-15 ℃ in the fall, the daily feeding amount of the overall weight of the 3%, the morning and evening feeding 1 time, less feeding in the morning, and more feeding in the evening.
3, patrol pool management
morning and evening each patrol pool once, observe the crab food intake and activities, pay attention to changes in the pool water, check the bait in the pool residue, adjust the amount of inputs and the amount of exchange in a timely manner. Take measures to prevent flooding and typhoon when the weather changes greatly. Check the gates in time, and repair the barriers and dams immediately if they are broken or have holes.